Bizarre Doors of Boo Mansion

Bizarre Doors of Boo Mansion (formerly known as Mystery Mansion: Doorway Drama) was the fourth playable level at E3. It takes place at a somewhat intricate haunted mansion, which captain toad has to navigate through. The diamonds can be found in the following places: under a plant to the right of the entrance, on a platform involved in the doorway puzzle; which is to the left of the mansion, and on top of a Goomba Tower near the end of the level.